Apparatus for the determination of a trace amount of an analyte

Details Apparatus for the determination of a trace amount of an analyte Apparatus for the determination of a trace amount of an analyte

1994-10-24

1997-10-07

Chin, Christopher L.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving antigen-antibody binding, specific binding protein...

204193, 204194, 204400, 204403, 422 8201, 422 8203, 435 72, 435 721, 435 29, 435174, 435176, 4352871, 4352872, 4352881, 435817, 436163, 436518, 436528, 436531, 436806, G01N 33543, G01N 33569, G01N 27327

Patent

active

056746962

ABSTRACT:
There is disclosed an apparatus for the determination of a trace amount of an analyte substance or organism. A substrate solution is brought into contact with a small diameter tube which has captured, at least on its inner surface, a trace amount of an analyte substance or organism. The trace amount has the ability to change the pH of the substrate solution. A pH change following a reaction of a substrate in the substrate solution in the small diameter tube is measured;

REFERENCES:
patent: 4402819 (1983-09-01), Rechnitz et al.
patent: 4592994 (1986-06-01), Mattiasson
patent: 5059522 (1991-10-01), Wayne
patent: 5066582 (1991-11-01), Tsuruta et al.
patent: 5116759 (1992-05-01), Klainer et al.

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